The Voyager Omnidekka's seem to be the vehicle of choice for the 3 evening runs from Heworth to Amazon with 6172/6175 operating tonight.

6172 on the 4 - https://www.flickr.com/photos/adammalark...ed-public/
6175 on the 4 - https://www.flickr.com/photos/adammalark...ed-public/

7108 was on the X10 - https://www.flickr.com/photos/adammalark...ed-public/

5411 was on the X21 - https://www.flickr.com/photos/adammalark...ed-public/

5461 was on the 69 - https://www.flickr.com/photos/adammalark...ed-public/